       
                                        
               
                                                                                         
                
                                                                                                                                  
                                                        
                          
                          
   ⒈               
                                             
   ⒉           
                                                                                                                                                                                                                                                            
   ⒊       
                                                                                                                                            
  ⒋                   
  ⒌              
  3  6                                                                                                                                                                                             
  ⒍       
                                                                                                                   
   ⒎           
                                                                        
   ⒏      
                                                                                    
  ①                                                                                                     
   ②                                                                                                    
  ③                                                               
   ④                                                                                                  
   ⒐       
                                                                                               ①        ②          ③       ④        ⑤                                                   
                                                                                                                